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26546, 26556: sticky emulation for functions defined in emulate ... -c ...

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environments, plus documentation
This commit is contained in:
Peter Stephenson 2009-02-11 20:42:15 +00:00
parent 0d02cf343e
commit c7d8b0dfb8
16 changed files with 322 additions and 69 deletions
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26
Src/options.c
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@ -35,6 +35,11 @@
/**/
mod_export int emulation;
/* current sticky emulation: 0 means none */
/**/
mod_export int sticky_emulation;
/* the options; e.g. if opts[SHGLOB] != 0, SH_GLOB is turned on */
/**/
@ -58,9 +63,12 @@ mod_export HashTable optiontab;
#define OPT_NONBOURNE (OPT_ALL & ~OPT_BOURNE)
#define OPT_NONZSH (OPT_ALL & ~OPT_ZSH)
#define OPT_EMULATE (1<<5) /* option is relevant to emulation */
#define OPT_SPECIAL (1<<6) /* option should never be set by emulate() */
#define OPT_ALIAS (1<<7) /* option is an alias to an other option */
/* option is relevant to emulation */
#define OPT_EMULATE (EMULATE_UNUSED)
/* option should never be set by emulate() */
#define OPT_SPECIAL (EMULATE_UNUSED<<1)
/* option is an alias to an other option */
#define OPT_ALIAS (EMULATE_UNUSED<<2)
#define defset(X) (!!((X)->node.flags & emulation))
@ -475,6 +483,14 @@ setemulate(HashNode hn, int fully)
opts[on->optno] = defset(on);
}
/**/
void
installemulation(void)
{
scanhashtable(optiontab, 0, 0, 0, setemulate,
!!(emulation & EMULATE_FULLY));
}
/**/
void
emulate(const char *zsh_name, int fully)
@ -494,7 +510,9 @@ emulate(const char *zsh_name, int fully)
else
emulation = EMULATE_ZSH;
scanhashtable(optiontab, 0, 0, 0, setemulate, fully);
if (fully)
emulation |= EMULATE_FULLY;
installemulation();
}
/* setopt, unsetopt */